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| | [CODE]String^ comPort = "COM" + this->RS232CommPortNum->Value; int baudRate = Convert::ToInt32(this->cbBaudRate->Value); com = gcnew SerialPort(comPort, baudRate); try { com->Open(); } catch (...) { ::MessageBox::Show("Invalid Port"); }[/CODE] How do I handle this excepion thrown when the com number is not valid? When I run the release version it has an error when … |
| | i have some checkbox: i.e: [code=html]<input type="checkbox" name="a" value="a" onclick="check(this)" />a <input type="checkbox" name="b" value="b" onclick="check(this)" />b <input type="checkbox" name="c" value="c" onclick="check(this)" />c <input type="checkbox" name="d" value="a" onclick="check(this)" />a[/code] if user select >= 2choices, the other checkbox become disable and < 2choices become enable.. so user max choose 2 choices.. … |
 | Hi, I have two datatables: Projects and Employees. [ICODE]Projects[/ICODE]: ID NAME EMPLOYEES [ICODE]Employees[/ICODE]: ID NAME I need to connect one project with multiple employees. Do I need to dynamically create separate table '[ICODE]RelatedEmployees_<unique number here>[/ICODE]' and store this table's name in field [ICODE]EMPLOYEES[/ICODE] of table [ICODE]Projects[/ICODE] to achieve this??? Please … |
| | I have just modified a script that notifies you when you have a new gmail message. Right now it just print out "you have a new gmail message" But, I would like to use some sort of graphics or something. I have zero experience with this though. Any ideas where … |
| | Hi I need some help with a loop I want a random number to be generated that is not equal to 3 different, and previously defined variables. The loop I have is like this one below [code] random = randomNum.next(0, 10) while random = first or second or third random … |
| | hi, i am doing a project in jsp.and i am new in this .As a part of it i have to take some reports.i can use either crystal report or ireport.My roblems is that i installed both reports in my system and dont know how to proceed.I can connect the … |
 | hi i'm having a problem when i use pointer to pointer i've tried my best to make this work .. but it didn't i've got a run time error! PLEASE .. Please .. please i need help :'( if any one have tutorial about how can i work with pointer … |
| | There are elements in this code I would like for someone explain if possible. Please. _int(); and the ? and the : in the code [icode] throw e instanceof FacesException ? (FacesException) e : new FacesException(e);[/icode] [code] public void init() { // Perform initializations inherited from our superclass super.init(); try … |
| | Hi friendz am new to this community and am a atudent, 1st year IT.. Do anyone know how to save the background? i.e. in word wen v open 'open' dialogue box the background behind the box is not affected. how to do this? Also i hav a problem with buffer... …  |
| | How to I read in a text file ignoring the digits, just want the text in the text file Any sample code? |
| | Hi, How can i call a Oracle Stored procedure in vb6? Stored procedure : [code]ADD_SP (1, '1', 1, 1, 'abc')[/code] Thanks |
| | so... whatchyallthink? i notice that this forum gets a tiny burst of activity about once a week. before posting this thread, the last couple posts here were made 9 days ago. then the next few were 17 days ago. and this pattern seems to be the same with other multi-language … |
| | Hi guys ! I'm currently reading "Programming Ground Up" by Jonathan Bartlett ([URL="http://www.amazon.com/Programming-Ground-Up-Jonathan-Bartlett/dp/0975283847/ref=sr_1_1?ie=UTF8&s=books&qid=1211474405&sr=8-1"]Amazon[/URL], [URL="http://savannah.nongnu.org/projects/pgubook/"]Book's page[/URL], [URL="http://download.savannah.gnu.org/releases/pgubook/"]Download Book[/URL]) The program toupper.s in Chapter 5 frustrates me to some extent :-) It's working fine, no problem. But There's a certain part, I just don't understand. Where does the computer know to start … |
| | Hi all , I have successfully written a simple program to calculate the total points scored by backs and forwards against one another in a 18 person team, but I need to safe proof it against a person entering anything other than F/f for forwards or B/b for backs , … |
| | hi guys, i have created a class which has a couple of buttons and each button calls a public class, class B4 is a button and it calls up the Printdata class, the Printdata class, then gets data from the database carpark and stores it into a file.txt as B4 … |
| | Straight to the point...:) I have problem connect to database. when I click Login button, the code can't read the username in my database. I have checked the codes but i think there are some mistakes, but i don't know where it will be. Please help me. Here with I … |
| | Hello Everyone, Does anyone know any design patterns for modules meant for encoding/decoding of protocol messages. E.g. BSSMAP/LAP... We need to write encoders and decoders for BSSMAP and BSSLAP messages for our product. All the IE (information elements) are defined by standards, so we know everything abt every field in …  |
| | Hi I am getting an undefined reference error from my code here is a snippet of my code. [CODE] #include <stdio.h> #include <windows.h> //defining functions void ErrorFunc(int error); int error = 0; int main(void){ return 0; } void ErrorFunc(int error) { FunctionFromALibrary(error); } [/CODE] I am using DEVC++ 5 and … |
| | hi folks, i need a library to analyse references of a scientific document. the lib should be able to identify references in the full text (for instance [1], [2], ... or Author A (1995), ... Author B & C (1968), ...) and it should be able to identify the elements … |
| | Hi, After 7000-8000 loops, i.e after 2-3 days, there is a runtime error because malloc failed.We identified that the error was occuring malloc function tires to allocate ~250k bytes of data. Then on analysis, We listed few possible items where malloc could fail 1. Fragmentation 2. Memory overwrite or overflow … |
| | I get the following when attempting to view a project I have, I have MySQL 5.0 and Tomcat 6.0. Both services are running. As far as MySQL connectors, I have both "mysql-connector-java-5.0.7-bin" and "mysql-connector-java-3.0.8-stable-bin". This has not worked with either one. HTTP Status 500 - type Exception report message description … |
| | Hi, Iam working on [B]WPF DataGrid (dev. by ComponentOne)[/B] with [B]Visual Studio 2008[/B]. I wish to provide facility to user to select "Columns" of a Table using ListBox(if possible, by clicking on Checkboxes within the ListBox) and the Report will be generated for those selected "Columns" only. [I]Selection to be … |
| | At various points in my text-based programs, I've had to write a function for use in multiple-choice menus. It needs to have the following qualities: [list][*]Ignores non-number input, repeating the request if it is given a string. [*]Can be given upper and lower limits on the acceptable numbers, repeating the … |
| | Hi everyone here.. Currently i m doing my project which i needed codes for receiving sms by PC using vb6. I would like to knOw if there is any expert who have the codes.. if there is..can send the codes to mi.. thanks alot... I have been trying so many … |
| | This is probably totally absurd, but...is it possible to, through Python, access the command line and use it? For instance, write a program that outputted all of the files in a given directory, much like cd [directory] dir would? |
| | I'm a C++ beginner. What's an easy to use (in terms of both installation and use in code) library for using MySQL in C++? Is there one that's a lot more commonly used than others? Note that I'm using MySQL 4.1.22 on GNU/Linux. I've found the following: [LIST] [*][URL="http://dev.mysql.com/doc/refman/4.1/en/cplusplus.html"]MySQL++[/URL] [*][URL="http://www.sqlapi.com/"]SQLAPI++[/URL] … |
| | Hello, I am new to C#. I want to know one thing. How can I get value from text box(or update text box value from another thread) while working on C# Threading. I tried but cant able to get. Below is the code. I want to use text box values …  |
| | hey guys. ive created this function that will delete the first element it finds in a linked list that has the value n in it. it works except when the number is the FIRST element in the list. it wont delete it, it will replace it with a 0 when … |
| | het frnds I faced the foll. interview questions on Vb.net. Plz reply i want to just confirm my answers- Give reply if mine answer is wring. 1)How many Compilation levels are there in .Net Framework a)One b)Two c) Three I WRITE---TWO Mine ANSWER IS RITE OR WRONG 2)There are different … |
| | I am trying to "hear" mouse events in windows, and made a mouse hook. But I think for security reasons, every time I open Internet Explorer on any site that uses the protocol https: / /, the hook is down, and return when I leave the secure url or close … |
| | Hi All, Using php and MySQL, I completed a login session script and it works great. I am assigning the username and password to select users, and there will be no registration form. My "users" table in MySQL has 5 columns as follows: [LIST] [*]id [*]username [*]password [*]company [*]last_login [/LIST] … |
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| | Hello, New poster here: just starting with PHP, slow learner, not finding what i want in online manual (prolly me, not the manual). I've found an extremely simple js library which does exactly what I want: in "index.htm", you click on "div#1" and the text in "div#0" is updated from … |
| | Parse error: parse error, unexpected T_STRING in on line 21 [COLOR="Red"]21 = $query = “select * from users where username=’$username’ and password=’$password’”;[/COLOR] mysql_select_db("$dbname", $connection); session_start(); $username = $_POST[‘username’]; $password = md5($_POST[‘password’]); $query = “select * from users where username=’$username’ and password=’$password’”; $result = mysql_query($query); if (mysql_num_rows($result) != 1) { $error … |
| | Does anyone know of a way to translate english to spanish text in a vb 2003 application form? I read about the global localization in 2005 however everytime I tried it it would never work. Any suggestion? |
| | I have this program I have to write about adding binary numbers. Here is the write up: "Defining a binary number as int binNum[8]; write a C++ function void binaryAdd(int* sum, int& cBit, const int* bin1, const int* bin2) to compute sum as the sum of the two binary numbers, … |
| | Hi, beginner here making the move from Java to C++ and having troubles (of course) with const and pass-by-reference. I'll show you the code I'm working on: Card.h: [CODE]#include <iostream> using namespace std; class Card { friend ostream& operator<<(ostream& out, const Card& c); public: Card(char aSuit, int aPower); void setSuit(char … |
| | I'm dividing integers and making it a temporary double so i can get it in a decimal. To have it with a fraction i just divide the numbers and cout the answer with the mod answer "/" num2. I want to display both the fraction and in decimal, so.. for … |
| | Hi All, I am using AJAX to load content into a particular div on my webpage (it is a script from dynamic drive - [url]http://www.dynamicdrive.com/dynamicindex17/ajaxcontent.htm)[/url]. I am also using another script created by [url]http://www.cabel.name/2008/02/fancyzoom-10.html[/url] to zoom out the screenshot/s that appear in the dynamically loaded content. Unfortunately, the fancyzoom script … |
| | Hi, I am developing my program on a different machine but then I take the executable to a different machine to run. The program gets data over the serial port that I write to a file for later analysis. My problem is that when I run the program on the … |
| | Hi, I have a Timage on a panel and I want to draw a cross on the image as I move my mouse on the image. I am drawing the cross using the canvas of the image. The drawing of the mouse works fine but the problem I am encountring … |
| | I am working on a TCP socket server for a client and i am having a problem. Everything works except for one thing: i can't figure out how to have the server tell the client that the server is going down. I have the SocketServer running as a windows service. … |
| | I have a script that I would like to repeatedly run every 30 seconds, does anyone know how to do this? Also, a side question. Is it possible to have the output form the previous run replaced by the new output? Instead of it all stacking up every time the … |
| | My bootsector is meant to print something - it does, but wierd characters follow it? e.g the spades symbol [code] ; Boot.Asm ; Tell the compiler that this is offset 0 - it isn't offset 0, but it will be after the jump. [ORG 0] jmp 07C0h:start ; Goto segment … |
| | would anyone please tell me how i cp the whole directory to another directory without the originalDir name.... ex: say the original contains multiple directory contains multiple directory.. and files how do i copy everything from one directory to another directory i tried cp -r /home/henry/originalDir /home/henry/newDirectory..... however my newDirectory …  |
| | I hava s script that runs continuously and checks my mail but I would like to add some way to kill the script. With a control+something, is there any way to do that? |
| | Hi I have Borland Jbuilder 2006 Enterprise installed on a Microsoft Windows Vista Home Premium OS. I was trying to make the font bigger (in the preferences menu) but something happened and now the font is very small, too small to even click on a button. (I'm not talking about … |
| | Hello once again everyone. I would like to know if anyone could assist me on how to insert text from a JFormattedTextField and an item from a JComboBox and place them into a JTextPane. If the user enters an item name like Shoe in the JFormattedTextField and then selects an … |
| | I was looking at the code snippets, specifically "Petals around the Rose” and I wanted to see how it runs, so I copy, pasted and saved the file in my text editor as Petals and now I am trying to figure out how to run the code. As always I … |
| | I am upgrading a VC++ 6.0 project to Visual Studio 2008. It uses STL extensively. It compiles fine on Visual Studio 6, but produces the following error in VS2008: [icode]error C2440: 'initializing' : cannot convert from 'const int' to 'MyStruct *'[/icode] The error is trapped in the STL functional header … |
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